Home / 7,961.75-11,945.67-2,967.18

Finding the Fourth Proportional to 7,961.75, 11,945.67 and 2,967.18

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Solution

The fourth proportional to 7,961.75, 11,945.67 and 2,967.18 is: 4,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.75 : 11,945.67 = 2,967.18 : x
  2. Step 2: Convert to fraction form
    7,961.75/11,945.67 = 2,967.18/x
  3. Step 3: Cross multiply
    7,961.75x = 11,945.67 × 2,967.18
  4. Step 4: Simplify right side
    7,961.75x = 35,444,953.11
  5. Step 5: Solve for x
    x = 35,444,953.11/7,961.75
  6. Step 6: Final answer
    x = 4,451.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.